JP5879632B2 - Removable puzzle, Removable puzzle unit and Removable puzzle system - Google Patents

Description

  The present invention relates to a detachable puzzle, a detachable puzzle unit, and a detachable puzzle system.

  Traditionally, educational puzzles used for education and brain teasers are known in various ways, such as educational puzzles for children who remember hiragana to learn katakana and kanji. Various educational toys have been proposed.

  Typically, there is an educational puzzle including a plurality of pieces displaying known characters and the like, and a piece mount displaying a character frame for placing the pieces side by side. The character of the piece and the character of the character frame are displayed in association with each other, and the piece including the character having the corresponding relationship and the character frame are formed in the same shape.

  In addition, the pieces including characters having no correspondence and the character frames are all formed in different shapes. Such an educational puzzle is disclosed in, for example, Patent Document 1 below.

JP 2005-278721 A

  Traditionally, puzzles, including educational puzzles, require players to identify the appropriate piece arrangement from the overall pattern of the puzzle based on the picture fragments and piece shapes described in each piece. If it did not match, it could not be fitted.

  For this reason, the number of times that a piece can be inserted during play is extremely limited, and it is an element that you can freely insert and remove pieces and try to enjoy the puzzle while checking the created pattern It was lacking.

  Also, after completing the puzzle, if you try to hang the completed puzzle on a wall and appreciate the results, it is necessary to harden it with resin or fit it in a frame so that the inserted piece does not fall off. It was.

  The present invention has been made in view of the above-mentioned problems, and it is easy to fit and remove the piece, but the fitted piece does not fall off either vertically or downward, and can be applied to a wall or ceiling. An object is to provide a removable puzzle that can be attached.

  The detachable puzzle according to the present invention is an detachable puzzle comprising an n-square (n ≧ 3) fitting piece and a pedestal that fits into the fitting piece. It is characterized by comprising a side spacer that abuts and a bottom spacer that abuts the fitting piece on the bottom surface of the fitting piece.

  Further, the detachable puzzle of the present invention is preferably in a state where the fitting piece is fitted to the pedestal, and the fitting piece is held on the pedestal by the side spacer and the bottom spacer, except for the side spacer and the bottom spacer. Thus, a predetermined gap is provided between the fitting piece and the pedestal.

  Further, in the detachable puzzle of the present invention, more preferably, when the fitting piece presses at least one corner of the fitting piece while the fitting piece is fitted to the pedestal, the fitting piece uses the bottom spacer as a fulcrum as a side edge. One side that contacts the spacer slides with respect to the side spacer, the pressed corner is depressed in a predetermined gap in the pressing direction, and the opposite corner or the opposite side of the pressed corner protrudes in the direction opposite to the pressing direction. It is characterized by that.

  Further, in the detachable puzzle according to the present invention, the fitting piece is more preferably a square, the side spacers are provided corresponding to the central portions of the respective sides of the fitting piece, and the bottom spacer is smaller than the fitting piece. It is square and is provided with a 45 ° deflection with respect to the fitting piece in a state of being fitted to the pedestal.

  In the detachable puzzle according to the present invention, more preferably, the fitting piece is a triangle, the side spacers are respectively provided corresponding to the central portions of the respective sides of the fitting piece, and the bottom spacer is smaller than the fitting piece. It is a triangle and is provided by being deflected by 60 ° with respect to the fitting piece in a state of being fitted to the pedestal.

  Further, in the detachable puzzle according to the present invention, the fitting piece is more preferably a hexagonal shape, the side spacers are provided corresponding to the central portions of the respective sides of the fitting piece, and the bottom spacer is fitted to the pedestal. A linear support shaft is formed with respect to one pressed corner of the fitting piece in the combined state.

  Further, the detachable puzzle of the present invention is more preferably characterized in that the bottom spacer is composed of a plurality of dots.

  Further, the detachable puzzle according to the present invention is more preferably characterized in that the bottom spacer is composed of a plurality of dots arranged at each vertex of an m-square (3 ≦ m ≦ n) smaller than the fitting piece.

  Moreover, the detachable puzzle of the present invention is more preferably characterized in that the fitting piece and the pedestal are formed of wood or plastic having a predetermined coefficient of friction.

  The detachable puzzle according to the present invention is more preferably configured so that the side spacer of the pedestal and one side of the fitting piece abutting on the side spacer are fitted to the pedestal, and the posture of the pedestal is adjusted. Regardless of this, it has a static frictional force enough to hold the fitting piece.

  Further, the detachable puzzle according to the present invention is further characterized by including a through hole penetrating from the bottom surface of the pedestal to the bottom surface of the fitting piece in a state where the fitting piece is fitted to the pedestal.

  The detachable puzzle unit of the present invention is characterized in that any one of the above-described detachable puzzles is provided in a planar and integrated manner.

  The detachable puzzle system of the present invention includes a plurality of the above-described detachable puzzle units in a planar shape.

  According to the present invention, it is possible to provide a detachable puzzle or the like in which a piece can be easily fitted and removed, but the piece that is fitted vertically does not easily fall off.

It is a perspective view explaining the base of the detachable puzzle of 1st embodiment. It is a top view explaining the base of the detachable puzzle of a first embodiment. It is a figure explaining the detachable puzzle of the state which inserted the insertion piece on the base. It is a figure explaining the state which removes the fitting piece of a detachable puzzle. It is a perspective view explaining the base of the detachable puzzle unit concerning 2nd embodiment. It is a figure explaining the structure outline | summary of the base of a detachable puzzle unit. It is a conceptual diagram explaining the structure outline | summary of the detachable puzzle unit which fitted the fitting piece. It is a figure explaining the variation of the base provided with a hexagonal recessed part, and the bottom face spacer arrange | positioned at the bottom face of a recessed part. It is a figure explaining the variation of the base provided with a triangular recessed part, and the bottom surface spacer arrange | positioned at the bottom face of a recessed part. It is a top view explaining a detachable puzzle system provided with two or more bases of a detachable puzzle unit. It is a figure explaining the fastening member which fastens each base of a detachable puzzle system. It is a figure explaining the other fastening member which fastens each base of a detachable puzzle system. It is a front view explaining the base of a detachable puzzle unit. It is a rear view explaining the base of a detachable puzzle unit. It is a top view explaining the base of a detachable puzzle unit. It is a bottom view explaining the base of a detachable puzzle unit. It is a right view explaining the base of a detachable puzzle unit. It is a left view explaining the base of a detachable puzzle unit. It is a schematic diagram explaining the base which has a dot-shaped bottom face spacer which has desired height. It is a schematic diagram explaining the base which has a rod-shaped bottom face spacer. It is a schematic diagram explaining the base which has a frame-shaped bottom spacer. It is a schematic diagram explaining the base which has a crossbar bottom spacer.

  In the freely detachable puzzle described in the embodiment, the player can freely insert and remove pieces. The fitted piece is held by a spacer provided on the pedestal. In addition, the spacer holds the piece with a frictional force that does not cause the piece to fall off even if the pedestal is tilted or placed vertically. For this reason, it is possible to view the completed puzzle on the wall as it is.

  Further, since the piece contacts only with the spacer of the pedestal, a space corresponding to the thickness of the spacer is formed between the pedestal and the piece. Furthermore, the bottom spacer that supports the bottom of the piece is smaller than the size of the piece. For this reason, when the corner of a piece not provided with a bottom spacer is pressed, the corner of the pressed piece is depressed in the pressing direction, and the diagonal or opposite side protrudes so that the bottom spacer is used as a support shaft. The piece can tilt in the open space.

  Accordingly, the pieces can be easily fitted and detached, so that the player can enjoy the puzzle while trying various piece fitting modes. Each piece is given a predetermined color scheme, pattern, or letter, and when it is a puzzle unit that can be fitted with multiple pieces, or a puzzle system that engages multiple puzzle units, the overall color or It is good also as completing a pattern, a design, a character, etc.

  Even in this case, the piece fitting operation and the removing operation can be repeated as many times as necessary. For this reason, it is possible to improve the frequency with which the player actively moves the fingertips, which is preferable from the viewpoint of intellectual education and rehabilitation, and from the viewpoint of the elderly's head exercises and fingertip exercises.

  Even if the placement location of the pieces is not appropriate in terms of the overall design and color, it is possible to check the design created after the pieces are inserted into the pedestal for the time being, so excessive thinking burden It is possible to realize a detachable puzzle or the like that can be played relatively easily without requiring skilled work.

(First embodiment)
A configuration outline of the detachable puzzle 300 according to the first embodiment will be described with reference to FIGS. 1 to 4. FIG. 1 is a perspective view for explaining a pedestal 110 of a detachable puzzle 300. FIG. 2 is a plan view for explaining the pedestal 110 of the detachable puzzle 300.

  1 and 2, the pedestal 110 includes a square recess 114 into which a square fitting piece 120 is fitted. Four side spacers 111 (1), 111 (2), 111 (3), and 111 (4) are provided on the side wall of the recess 114.

  A bottom spacer 112 is provided on the bottom surface of the recess 114. As can be understood from FIGS. 1 and 2, the bottom spacer 112 is a square smaller than the recess 114 and is arranged with a 45 ° deflection with respect to the recess 114. That is, the bottom surface spacer 112 is arranged with a 45 ° deflection with respect to the fitted fitting piece 120.

  FIG. 3 is a diagram for explaining the detachable puzzle 300 in a state where the fitting piece 120 is fitted in the pedestal 110. As shown in FIG. 3, the fitting pieces 120 fitted in the recesses 114 are supported by four side spacers 111 (1), 111 (2), 111 (3), 111 (4) at each edge. Is done. In addition, the fitting piece 120 fitted in the recess 114 is supported by the bottom spacer 112 on the bottom surface thereof.

  For this reason, in the state where the fitting piece 120 is fitted in the recess 114 of the pedestal 110, a space corresponding to the thickness of each spacer is formed between the pedestal 110 and the fitting piece 120. That is, the pedestal 110 and the fitting piece 120 are not in direct contact except for the four side spacers 111 (1), 111 (2), 111 (3), 111 (4) and the bottom spacer 112. Retained.

  The fitting piece 120 generates a static frictional force from the side spacers 111 (1), 111 (2), 111 (3), and 111 (4) that does not fall off and swing even when the pedestal 110 is placed vertically. Receive and hold. In this case, the static frictional force required to hold the fitting piece 120 differs depending on the mass of the fitting piece 120 in a strict sense, but is set to such an extent that the fitting piece 120 does not fall off even if the pedestal 110 is turned upside down. It is preferable.

  More preferably, the fitting piece 120 and the side spacers 111 (1), 111 (2), 111 (3), 111 (4) are made of wood. As a result, a static frictional force that can prevent the fitting piece 120 from falling off can be obtained relatively easily. Further, the fitting piece 120 receives a pressing force from the side spacers 111 (1), 111 (2), 111 (3), 111 (4) so as not to obstruct the fitting and removal of the fitting piece 120. In addition, the thickness of the side spacer 111 is configured.

  FIG. 4 is a diagram for explaining a state where the fitting piece 120 of the freely detachable puzzle 300 is removed. As can be understood from FIGS. 1 to 4, since the bottom spacer 112 does not exist immediately below the four corners of the fitting piece 120, the fitting piece 120 is in a hollow state. For this reason, in FIG. 4, when the corner portion of the fitting piece 120 is pushed in the direction of the arrow, the diagonal of the bottom surface spacer 112 is lifted with one side as a support shaft. Thereby, the fitting piece 120 can be easily detached from the base 110. Therefore, it is preferable that the thickness of the bottom spacer 112 is approximately the same as the thickness of the fitting piece 120.

  In the removable puzzle 300, for example, an integrated pattern or pattern may be completed by the surface of the rectangular frame of the pedestal 110 and the surface of the fitting piece 120. In this case, for example, a different pattern or a different pattern may be completed depending on the fitting direction of the fitting piece 120 or the front surface or the back surface.

  Further, as shown in FIGS. 1 and 2, the pedestal 110 preferably includes a through hole 113 on the bottom surface. Since the pedestal 110 includes the through-hole 113, the fitting piece 120 can be easily removed by inserting a rod into the through-hole 113 on the bottom surface of the pedestal 110 from the outside, and the stick protruding the fitting piece 120 to float.

  Further, the bottom spacer 112 is not limited to a square or rhombus plate shape, and may be any shape that can form a support shaft or a fulcrum when one corner of the fitting piece 120 is pressed. For example, the bottom spacer 112 may have a dot shape having a desired height, a rod shape, a frame shape, or a crossbar shape. In addition, in the following FIGS. 19-22 explaining the variation of the bottom surface spacer 112, the code | symbol of drawing is abbreviate | omitted.

  FIG. 19 is a schematic diagram illustrating a pedestal 110 having dot-shaped bottom spacers 112 having a desired height. The dot-shaped bottom spacer 112 forms a virtual spindle with two dots, and lifts the pressed corners diagonally like a seesaw.

  FIG. 20 is a schematic diagram for explaining a pedestal 110 having a bar-shaped bottom spacer 112. The bar-shaped bottom spacer 112 has one bar serving as a support shaft, and lifts the pressed corners diagonally like a seesaw.

  FIG. 21 is a schematic diagram for explaining a pedestal 110 having a frame-shaped bottom spacer 112. The frame-shaped bottom spacer 112 has one side of the frame as a support shaft, and lifts the diagonal corners of the pressed corners upward like a seesaw.

  FIG. 22 is a schematic diagram for explaining a pedestal 110 having a crossbar-shaped bottom spacer 112. In the crossbar-shaped bottom spacer 112, adjacent end portions of the crossbar serve as virtual support shafts, and the diagonal corners of the pressed corners are lifted upward like a seesaw.

(Second embodiment)
A detachable puzzle unit 700 according to the second embodiment will be described with reference to FIGS. 5 to 7. FIG. 5 is a perspective view for explaining a base 510 of the detachable puzzle unit 700 according to the second embodiment. The pedestal 510 of the detachable puzzle unit 700 is a unit in which the pedestals 110 of the detachable puzzle 300 described in the first embodiment are substantially integrated into five pieces vertically and horizontally.

  In FIG. 5, the pedestal 510 of the detachable puzzle unit 700 is shown as a configuration including the pedestal 110 of the 5 × 5 detachable puzzle 300, but the configuration of the pedestal 110 of the detachable puzzle 300 in the detachable puzzle unit 700 is illustrated. The number can be arbitrary.

  Further, in FIG. 5, the pedestal 510 of the detachable puzzle unit 700 includes the pedestal 110 of the 5 × 5 detachable puzzle 300 as an integral configuration. However, the pedestal 510 of the detachable puzzle unit 700 may not include the pedestal 110 of the 5 × 5 detachable puzzle 300 as an integral configuration, and the pedestals 110 of the plurality of detachable puzzles 300 may be fastened by a fastening device or the like. For example, 5 × 5 may be configured.

  In FIG. 5, the unevenness | corrugation which can fit and connect the other base 510 adjacent is provided in the outer side of each side surface of the base 510. In FIG. When connecting a plurality of pedestals 510 to form a larger puzzle system, it is preferable to provide such irregularities so that the pedestals 510 can be reliably connected without being displaced. In addition, since the detachable puzzle unit 700 is configured to include a plurality of detachable puzzles 300 substantially described in the first embodiment as described above, the description thereof is given here to avoid duplication of description. Is to be simplified.

  FIGS. 13 to 18 are six-sided views illustrating the base 510 of the detachable puzzle unit 700. FIG.

  FIG. 6 is a diagram for explaining the outline of the configuration of the base 510 of the detachable puzzle unit 700. FIG. 7 is a conceptual diagram for explaining the outline of the configuration of the detachable puzzle unit 700 in which the fitting piece 520 is fitted.

  6 and 7, the base 510 of the detachable puzzle unit 700 corresponds to the plurality of recesses 514, and includes a plurality of bottom spacers 512 and four side spacers 511 (1), 511 (2), 511 (3) and 511 (4).

  The thickness of the four side spacers 511 (1), 511 (2), 511 (3), and 511 (4) is due to the pressing force that can hold the fitting piece 520 so as not to drop off, and the thickness. It is preferable that the thickness is such that a static friction force is generated and a play space necessary for removing the fitting piece 520 can be formed.

  Further, the thickness of the bottom spacer 512 is set to such a thickness as to form a space where the pressed corner can be sufficiently depressed when the fitting piece 520 is removed. Preferably, the thickness of the bottom spacer 512 is approximately the same as the thickness of the fitting piece 520. As a result, when an arbitrary corner of the fitting piece 520 is pressed downward, the opposite corner protrudes upward by an appropriate amount (preferably larger than the thickness of the fitting piece 520) with the corresponding side of the bottom spacer 512 as a support shaft. The fitting piece 520 can be easily removed.

  Note that the base 510 of the detachable puzzle unit 700 may include the through hole 113 described in the first embodiment on the bottom surface of each recess 514. In the detachable puzzle unit 700, since the number of the fitting pieces 520 is plural, for example, a plurality of rod-like pins are set in advance in a plane at a predetermined interval, and the upper part is inserted into the through hole 113 of the base 510 from above. A plurality of rod-shaped pins may be inserted at a time. Thereby, each rod-shaped pin can protrude the several fitting piece 520 simultaneously, and can remove the fitting piece 520 easily in a short time.

  Next, with reference to FIG. 8 and FIG. 9, the shape variation of the recessed part 514 of the base 510 and the variation of the bottom face spacer 512 are demonstrated. The shape of the recess 514 of the base 510 corresponds to the shape of the fitting piece 520 of the detachable puzzle unit 700.

  FIG. 8 is a diagram for explaining variations of a base 810 having a hexagonal recess 814 and a bottom spacer 812 disposed on the bottom surface of the recess 814. FIG. 9 is a diagram for explaining variations of a base 910 having a triangular recess 914 and a bottom spacer 912 disposed on the bottom surface of the recess 914.

  FIG. 8A is a diagram illustrating a pedestal 810 including dot-shaped bottom spacers 812 (1). Moreover, FIG.8 (b) is a figure explaining the base 810 provided with the linear bottom face spacer 812 (2).

  FIG. 8C is a view for explaining a pedestal 810 provided with a rectangular frame-shaped bottom spacer 812 (3). FIG. 8D is a view for explaining a pedestal 810 provided with a rectangular plate-like bottom spacer 812 (4).

  8A to 8D, the corresponding bottom spacers 812 (1) to 812 (4) can be obtained by pressing the upper corner or the lower corner of the hexagonal fitting piece. Forms a support shaft, and the corner of the other end is lifted.

  In this case, since the position of the support shaft is relatively close to the portion to be pressed, by the lever principle, the protruding height at the other end is relatively high with respect to the depression depth due to pressing, and the fitting piece Removal is even easier. Note that the bottom spacer 812 may have a shape or arrangement that forms a fulcrum instead of a support shaft.

  FIG. 9A is a diagram illustrating a pedestal 910 provided with dot-shaped bottom spacers 912 (1). FIG. 9B is a view for explaining a pedestal 910 provided with a linear bottom spacer 912 (2).

  Moreover, FIG.9 (c) is a figure explaining the base 910 provided with the triangular frame-shaped bottom surface spacer 912 (3). FIG. 9D is a diagram illustrating a pedestal 910 provided with a triangular plate-like bottom spacer 912 (4).

  In any of the cases shown in FIGS. 9 (a) to 9 (d), the support shaft is formed approximately in the middle between the corner to be pressed and the opposite side to be lifted. It is possible to float up. Note that the bottom spacer 912 may have a shape or an arrangement that forms a fulcrum instead of a support shaft.

  The detachable puzzle unit 700 has an arbitrary color scheme or sculpture on the front or back surface of each fitting piece 520, the edge of the pedestal 510, or the like so as to have a unified or unified pattern or pattern as a whole. May be arranged.

  The shapes of the recesses 514, 814, and 914 of the base 510 and the bottom spacers 512, 812, and 912 are not limited to the above description, and may be applied in combination as appropriate. Moreover, as long as the shape of the recessed parts 514, 814, and 914 and the bottom spacers 512, 812, and 912 can press any one corner of the fitting piece 520 to lift the opposite side or the diagonal, any arbitrary It can be in any shape and arrangement.

(Third embodiment)
FIG. 10 is a plan view illustrating a detachable puzzle system 1000 including a plurality of pedestals 510 of the detachable puzzle unit 700. In FIG. 10, due to space limitations, the pedestal 510 (1), 510 (2), 510 (3), 510 (4), 510 (5), 510 (6), 510 ( 7) is illustrated. However, the present invention is not limited to this, and the detachable puzzle system 1000 may include any number of pedestals 510.

  Thereby, it can be set as the puzzle which completes a pattern, a pattern, etc. with a sense of unity as the whole detachable puzzle system 1000. Since the detachable puzzle system 1000 is substantially configured to include a plurality of detachable puzzles 300 described in the first embodiment, the description thereof is omitted here to avoid duplication of description.

  FIG. 11 is a diagram illustrating a fastening member 1160 that fastens each pedestal 510 of the detachable puzzle system 1000. FIG. 11A is a diagram illustrating the fastening member 1160, and FIG. 11B is a diagram illustrating a state in which the plurality of bases 510 are fastened using the fastening member 1160.

  As understood from FIG. 11, the fastening member 1160 clamps both the leg portions of one side of the adjacent pedestals 510 in a clip shape from the bottom side. Moreover, since the fastening member 1160 can be easily inserted and removed, the detachable puzzle system 1000 that can be easily rearranged and rearranged is obtained.

  FIG. 12 is a diagram illustrating other fastening members 1260 and 1261 that fasten the bases 510 of the freely detachable puzzle system 1000. FIG. 12A is a diagram illustrating the fastening members 1260 and 1261, and FIG. 12B is a diagram illustrating a state in which the plurality of bases 510 are fastened using the fastening members 1260 and 1261.

  As understood from FIG. 12, the fastening members 1261 fasten the four corners by sandwiching the corner leg portions of the four adjacent pedestals 510 together from the bottom side in a clip shape. The fastening member 1260 fastens the two corners by sandwiching the corner leg portions of the two adjacent pedestals 510 together in a clip shape. Since the fastening members 1260 and 1261 can be easily inserted and removed, the detachable puzzle system 1000 can be easily rearranged and rearranged.

  In addition, the detachable puzzle system 1000 can be watched as it is and placed on a wall or the like without being framed or glued. Further, the freely detachable puzzle system 1000 can be freely changed in configuration and shape. In addition, the freely detachable puzzle system 1000 can avoid the unexpected detachment of the inserted pieces while allowing the individual inserted pieces to be easily attached and detached.

  The above-described detachable puzzle 300, the detachable puzzle unit 700, and the detachable puzzle system 1000 are not limited to the description in each embodiment, and the configuration may be changed as appropriate within the obvious range. In addition, the shape may be appropriately changed or a pattern may be added within a self-evident range.

  For example, each of the fitting pieces may be circular. Moreover, it is set as the detachable puzzle system 1000 which combined many detachable puzzle units 700, for example, may be used as a signboard, a sign, a display board, etc. If a predetermined color or pattern is attached to the fitting piece, the entire detachable puzzle system 1000 can be used as an advertisement for allowing a target person to visually recognize a specific message.

  The pedestal may be formed of plastic, and the fitting piece may be formed of either wood or plastic. When using wood, for example, white birch may be used. Since white birch has an appropriate strength, for example, when it is a fitting piece with a thickness of about 4 mm, it can be a piece that does not break even if the player accidentally inserts it into the mouth and bites it, and durability is improved. . In addition, white birch is preferable because it has a high affinity with paint and the like, and it is easy to insert a pattern or characters into a piece. Furthermore, by making a hole in the vicinity of the center of the fitting piece, it is possible to make a toy that can be played as a rosary string through a piece. Thereby, when storing a piece in the state which does not fit in a base, etc., since a piece can be bundled and stored by stringing, it is preferred. Furthermore, on the side and surface of the fitting piece, for example, using a laser or the like, an unevenness or a groove for notifying type information such as the pattern of the piece or characters is engraved, and this is used as a marker by the unevenness. Piece type information can be acquired, and it may be a fun puzzle. Moreover, you may attach | subject the pattern of a fitting piece, a character, etc. using the marking technique by a laser etc. FIG. Thereby, it becomes possible to perceive slight unevenness due to the marking by the sense of touch of the fingertip or the like.

  The present invention can be widely applied to educational toys, intelligent puzzles, rehabilitation and recreation equipment for the elderly and disabled, reusable display boards, and the like.

  110 .. Base, 111 .. Side spacer, 112 .. Bottom spacer, 113 .. Through hole, 114 .. Recess, 120 .. Insertion piece, 300 .. Removable puzzle, 700. Unit, 1000 ·· Pullable puzzle system.

Claims (3)

In a detachable puzzle comprising an n-square (n ≧ 3 integer) fitting piece and a pedestal to be fitted with the fitting piece, the pedestal comes into contact with the fitting piece at all sides of the fitting piece. A side spacer and a bottom spacer that contacts the fitting piece at a bottom surface of the fitting piece, and the fitting piece is fitted to the pedestal, and the fitting piece includes the side spacer and the bottom piece. The spacer is held by the pedestal, and except for the side spacer and the bottom spacer, there is a predetermined gap between the fitting piece and the pedestal, and the fitting piece is fitted to the pedestal. In the state, when pressing at least one corner of the fitting piece, the fitting piece has the bottom spacer as a fulcrum. , Slides the side edges spacer abutment to that sides with respect to the side edge spacer, with the square that the pressing is depressed within the predetermined gap in the pressing direction, the diagonal of the pressing the corners or A detachable puzzle characterized in that the opposite side protrudes in the direction opposite to the pressing direction. A detachable puzzle unit comprising a plurality of the detachable puzzles according to claim 1 in a planar and integrated manner. A detachable puzzle system comprising a plurality of detachable puzzle units according to claim 2 in a planar shape.

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